CN203275926U - Switching communication device - Google Patents
Switching communication device Download PDFInfo
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- CN203275926U CN203275926U CN 201320270801 CN201320270801U CN203275926U CN 203275926 U CN203275926 U CN 203275926U CN 201320270801 CN201320270801 CN 201320270801 CN 201320270801 U CN201320270801 U CN 201320270801U CN 203275926 U CN203275926 U CN 203275926U
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- chip microcomputer
- host computer
- communication device
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- latch
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Abstract
The utility model discloses a switching communication device. The switching communication device relates to the electrical control technology field, and comprises an upper computer and a driving unit for controlling relays to act. A one-chip microcomputer and a latch unit are connected between the upper computer and the driving unit, receive the commands of the upper computer, at the same time, monitor, control switching and drive the plurality of relays. The one-chip microcomputer is connected with a timing counter, and the latch unit is connected with row resistors. According to the utility model, the upper computer is connected with the one-chip microcomputer and the latch unit, so that a function of switching channels automatically is added, and accordingly, the data information automatic transmission is carried out among the upper computer, the one-chip microcomputer and the latch unit via RS232 communication, a plurality of motor controllers are monitored and controlled to carry out aging tests simultaneously, the fault information during the test process is recorded and processed, a whole detection device realizes the intelligent operation, and the production efficiency is improved greatly.
Description
Technical field
The utility model relates to the Electrical Control Technology field, and the intelligence that especially a kind of electric machine controller for electric automobile carries out aging test is switched communication device.
Background technology
Along with global energy crisis and problem of environmental pollution day by day serious, the research and development of new-energy automobile, manufacture and to be subject to more and more national and to pay much attention to.China is in Tenth Five-Year Plan Period, and country supports the development and production manufacturing of the research and development, particularly electric automobile of new-energy automobile energetically.Electric machine controller is electric automobile stop and the critical component that travels, the quality of electric machine controller quality directly affects the quality of electric automobile, so will do the hot environment aging test to it during the electric machine controller of batch production electric automobile, the electric machine controller hot environment aging test of present stage, to adopt a host computer and an electric machine controller by the RS232 communication, under the supervision and inspection hot environment, the control performance of electric machine controller, components and parts hot properties and failure message etc. reduce the product fraction defective, and the aging test cycle is 30 hours.Host computer of the method for this detection once can only aging test detect an electric machine controller, and the test period is long, inefficiency.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of switching communication device, when this switching communication device can solve the electric vehicle motor controller aging test cycle long, inefficient problem.
In order to address the above problem, the technical scheme that the utility model adopts is: this switching communication device, the driver element that comprises the action of host computer and pilot relay, be connected with single-chip microcomputer and the latch units also monitoring simultaneously, control switching, drive many relays for receiving the host computer order between described host computer and driver element, described single-chip microcomputer is serially connected with timer conter, has exclusion on described latch units.
in above-mentioned switching communication device technical scheme, technical scheme can also be more specifically: the serial input mouth RXD of described single-chip microcomputer, serial delivery outlet TXD is connected with the corresponding serial ports of host computer, 5 addressing port P2.3～P2.7 of described single-chip microcomputer are connected with the trigger control end of 5 latchs respectively, 8 output port P00～P07 of described single-chip microcomputer are connected respectively with the maintenance end of latch and the pin of exclusion, the common pin of this exclusion connects power supply, the output port of described latch is connected with driver element respectively, the reset terminal of described latch interconnects, the P10 end of described single-chip microcomputer is connected with counter input end and the phase inverter input end of described timer conter, the RESET port of described single-chip microcomputer is connected with the RESET port of described counter, and the XTAL1 port of described single-chip microcomputer is connected with the oscillator output end of described timer conter.
Further: described driver element comprises: the output terminal of described latch units is connected with the A end of the first resistance R 1 and the second resistance R 2, the B end of the first resistance R 1 and the 3rd resistance R 3 is connected with transistor base b, the C end of the second resistance R 2 is connected with the LED P end, the D end of light emitting diode N end, the 3rd resistance R 3, triode emitting stage e ground connection, transistor collector c end is connected with the p end of relay coil one end and continued flow component, and the relay coil other end holds with the n of continued flow component the power supply that is connected.
Further: described host computer is the PC host computer, and described single-chip microcomputer is the AT89C52 single-chip microcomputer, adopts the communication of RS232 serial binary exchanges data between described PC host computer and AT89C52 single-chip microcomputer.
Owing to having adopted technique scheme, the utility model compared with prior art has following beneficial effect:
1, be connected with single-chip microcomputer and latch by host computer, increased the function of automatic switchover passage, make a host computer and single-chip microcomputer and latch carry out the automatic transmission of data message by the RS232 communication, can monitor simultaneously and control the multiple electric motors controller carry out aging test and the record and the treatment of aged process of the test in failure message.Whole detection system has realized intellectualized operation, has greatly improved production efficiency.
2, timer conter is cleared in certain delay cycle, will be monolithic processor resetting in case arrive maximum count value, and the program of preventing enters endless loop, the normal operation of watchdog routine.
3, latch is temporary to keep their level state the signal of AT89C52 single-chip microcomputer output, just changes level state until next order arrives.
4, simple in structure, annexation is succinct, keeps in repair and change more convenient.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment:
Switching communication device shown in Figure 1, the driver element III that comprises host computer and pilot relay J1 action, be connected with the single-chip microcomputer U14 and the latch units II that receive host computer M order and monitor simultaneously, control switching, many relays of driving between host computer M and driver element III, be connected with exclusion P1 on the latch units II, be connected with the timer conter I on single-chip microcomputer U14.The serial input mouth RXD of single-chip microcomputer U14, serial delivery outlet TXD are connected with the corresponding serial ports of host computer M, 5 addressing port P2.3～P2.7 of single-chip microcomputer U14 are connected with the trigger control end of 5 latch U1～U5 in the latch units II respectively, 8 output port P00～P07 of single-chip microcomputer U14 are connected respectively with the maintenance end of latch U1～U5 and the pin of exclusion P1, the common pin of this exclusion P1 connects power supply, the output port of latch U1～U5 is connected with the driver element III respectively, and the reset terminal of latch U1～U5 interconnects; The P10 end of single-chip microcomputer U14 is connected with the input end of timer conter I Counter U16 and the input end of phase inverter K, the RESET port of single-chip microcomputer U14 is connected with the RESET port of timer conter I Counter U16, and the XTAL1 port of single-chip microcomputer U14 is connected with the output terminal of oscillator U15 in the timer conter I.In the output terminal OUT of latch units II and driver element III, the A of the first resistance R 1 and the second resistance R 2 end is connected, the B end of the first resistance R 1, the 3rd resistance R 3 is connected with triode Q1 base stage b, the C end of the second resistance R 2 is connected with the P end of LED, the N end of LED, the D end of the 3rd resistance R 3, the connected ground connection of triode Q1 emitting stage e, triode Q1 collector c end is connected with the p end of relay J 1 coil one end and continued flow component D1, and the n of the relay J 1 coil other end and continued flow component D1 holds the power supply that is connected.
Above-mentioned host computer is the PC host computer, and single-chip microcomputer is AT89C52, and continued flow component is diode; Adopt the communication of RS232 serial binary exchanges data between PC host computer and AT89C52 single-chip microcomputer.
Input instruction to the PC host computer during work, the order that the PC host computer sends is transferred to the AT89C52 single-chip microcomputer by the serial input mouth RXD of single-chip microcomputer, due to the control able to programme of AT89C52 single-chip microcomputer, the AT89C52 single-chip microcomputer becomes corresponding sequential level signal to export to 5 trigger control end mouths of 5 latchs and 40 from 5 addressing port P2.3～P2.7 of AT89C52 single-chip microcomputer and 8 output port P00～P07 respectively according to this command interpretation to keep ports, carry out addressing and with the varying level signal respectively from 40 output ports outputs of latch; Be input to respectively 40 driver elements from the level signal of 40 output port outputs of latch, the actuating of relay when the signal of input driver element is high level, relay keeps original state when the signal of input driver element is low level, carries out aging test with the conducting of this pilot relay with the electric machine controller that is connected being connected with relay; The AT89C52 single-chip microcomputer frequently read electric machine controller and carried out status data in the aging test process this moment, and converted digital signal to and feed back to the PC host computer from AT89C52 single-chip microcomputer serial delivery outlet TXD, and the PC host computer demonstrates result data.Latch is temporary to keep their level state the signal of AT89C52 single-chip microcomputer output, just changes level state until next order arrives.Timer conter is cleared in certain delay cycle, will be monolithic processor resetting in case arrive maximum count value, and the program of preventing enters endless loop, the normal operation of watchdog routine.Be connected with single-chip microcomputer and latch by host computer, increased the function of automatic switchover passage, make a host computer and single-chip microcomputer and latch carry out the automatic transmission of data message by the RS232 communication, monitor simultaneously and control the multiple electric motors controller carry out aging test and the record and the treatment of aged process of the test in failure message.Whole pick-up unit has been realized intellectualized operation, has greatly improved production efficiency.
Claims (4)
1. one kind switches communication device, the driver element that comprises the action of host computer and pilot relay, it is characterized in that: be connected with single-chip microcomputer and the latch units also monitoring simultaneously, control switching, drive many relays for receiving the host computer order between described host computer and driver element, described single-chip microcomputer is serially connected with timer conter, has exclusion on described latch units.
2. switching communication device according to claim 1, it is characterized in that: the serial input mouth RXD of described single-chip microcomputer, serial delivery outlet TXD are connected with the corresponding serial ports of host computer, 5 addressing port P2.3～P2.7 of described single-chip microcomputer are connected with the trigger control end of 5 latchs respectively, 8 output port P00～P07 of described single-chip microcomputer are connected respectively with the maintenance end of latch and the pin of exclusion, the common pin of this exclusion connects power supply, the output port of described latch is connected with driver element respectively, and the reset terminal of described latch interconnects; The P10 end of described single-chip microcomputer is connected with counter input end and the phase inverter input end of described timer conter, the RESET port of described single-chip microcomputer is connected with the RESET port of described counter, and the XTAL1 port of described single-chip microcomputer is connected with the oscillator output end of described timer conter.
3. switching communication device according to claim 1, it is characterized in that: described driver element comprises that the output terminal of described latch units is connected with the A end of the first resistance R 1 and the second resistance R 2, the B end of the first resistance R 1 and the 3rd resistance R 3 is connected with transistor base b, the C end of the second resistance R 2 is connected with the LED P end, light emitting diode N end, the D end of the 3rd resistance R 3, triode emitting stage e ground connection, transistor collector c end is connected with the p end of relay coil one end and continued flow component, the relay coil other end holds with the n of continued flow component the power supply that is connected.
4. switching communication device according to claim 1, it is characterized in that: described host computer is the PC host computer, described single-chip microcomputer is the AT89C52 single-chip microcomputer, adopts the communication of RS232 serial binary exchanges data between described PC host computer and AT89C52 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270801 CN203275926U (en) | 2013-05-17 | 2013-05-17 | Switching communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270801 CN203275926U (en) | 2013-05-17 | 2013-05-17 | Switching communication device |
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| Publication Number | Publication Date |
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| CN203275926U true CN203275926U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320270801 Expired - Fee Related CN203275926U (en) | 2013-05-17 | 2013-05-17 | Switching communication device |
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| CN (1) | CN203275926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358610A (en) * | 2018-12-10 | 2019-02-19 | 上海星融汽车科技有限公司 | The detection method of vehicle diagnostic equipment |
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2013
- 2013-05-17 CN CN 201320270801 patent/CN203275926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358610A (en) * | 2018-12-10 | 2019-02-19 | 上海星融汽车科技有限公司 | The detection method of vehicle diagnostic equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20150517 |
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| EXPY | Termination of patent right or utility model |